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Mequipco and GE Water Presentation for Westside Solutions
Transcript of Mequipco and GE Water Presentation for Westside Solutions
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Westside Solutions Wastewater Technologies Discussion Rob Hacking April 29th 2015
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Today’s agenda
• GE Intro & Regional Presence
• Concepts & Ideas of Importance
• GE Technologies
• Summary
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3 Water & Process Technologies
© 2013 General Electric Company
GE Water & Process Technologies Aligning the best people with the most advanced technology, products and services to solve any water or process challenge our customers may have
• Headquartered in Trevose, PA, USA • 8,000 employees globally • 50,000 customers in 130 countries • 45 global manufacturing sites
Quick Facts
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4 Water & Process Technologies
© 2013 General Electric Company
Helping municipalities optimize limited resources for growing populations. While meeting increasing regulatory and policy challenges
Municipal Wastewater
• Membrane bioreactor systems - Zenon • Primary treatment systems - Salsnes • Anaerobic digestion systems - Monsal
Our solutions include:
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© 2013 General Electric Company
Our Experience
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Total number of treatment plants worldwide > 1,550
Total number of treatment plants in North America > 870
Total number of municipal wastewater treatment plants in North America
> 330
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© 2013 General Electric Company
Our Regional Presence
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Number of treatment plants in BC >35
Number of wastewater treatment plants in BC >20
Number of municipal wastewater treatment plants on Vancouver Island
>7
Points of significance: • City of Nanaimo – drinking water 116MLD • Thetis Trailer Park – oldest MBR in North America (20yrs) • Many of the facilities on the island are over 7years old
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© 2013 General Electric Company
From Small to Very Large
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Hendriksdahl WWTP – 600MLD MBR plant inside a mountain.
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Concepts & Ideas of Importance
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© 2013 General Electric Company
What Do You Want From Your WwTP?
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Here’s the things I would look for: q Effluent quality q Community presence q O&M costs & sustainability q Robust & proven q Expandable to match growth
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© 2013 General Electric Company
Effluent Quality: Technologies which….
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• Ensure a high quality treatment consistently • Enables ability to reuse effluent • Provides future protection against regulatory
change
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© 2013 General Electric Company
Community Presence: Technologies which…..
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• Minimize footprint required • Maximize ability to hide
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© 2013 General Electric Company
O&M Costs: Technologies which…
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• Minimize labour requirements • Enable resource recovery to:
– offset energy – make use of bio-solids and waste streams
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© 2013 General Electric Company
Expandable: Technologies which…
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• Provide cost effective treatment for Day 1 • Easily expandable for year 20 • Expandable in increments to match growth
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Our Technologies
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© 2013 General Electric Company
Technologies which achieve the goals
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• Primary Treatment: LEAP Primary • Secondary Treatment: LEAP Membrane Bioreactor • Solids Treatment: Advanced Anaerobic Digestion
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Primary Treatment
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© 2012 General Electric Company
LEAP Primary – Why Do We Want Primary Treatment?
Energy Savings • Primary treatment removes TSS & BOD from raw wastewater • Reduced organic load results in energy savings of 25% for
biological treatment
Resource Recovery • Primary treatment captures solids with high energy value
• Retained solids enable energy recovery with anaerobic digestion, incineration or other solids treatment
Primary Treatment
No Primary Treatment
Energy Use for Biological Treatment
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© 2012 General Electric Company
Primary Clarification
Fine Screening
LEAPprimary
Bioreactor
Bioreactor
Bioreactor
Typical Primary Treatment
Primary Treatment with LEAPprimary
LEAPprimary replaces the function of primary clarification and fine screening in a typical primary treatment system
LEAP Primary
Coarse Screening
Bioreactor Coarse Screening
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© 2012 General Electric Company
LEAP Primary • Influent TSS forms a filter mat on the mesh belt • TSS and BOD is retained by the filter mat • Solids are removed from the belt
Inlet
Thickening
Outlet
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© 2012 General Electric Company
LEAP Primary - Installation Example
Typical head works building incorporating LEAPprimary treatment
Coarse Screening & Grit removal
LEAPprimary
Solids collection
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© 2012 General Electric Company
Capital Savings Reduce primary treatment capital costs for your facility
Energy Savings Reduce energy for biological treatment by 25% and enable energy recovery
Smaller Footprint Achieve advanced primary treatment in as little as 1/10th the footprint of conventional
Simplified Design Combine primary solids separation, sludge thickening & dewatering in one compact step
Guaranteed Reliability Extend downstream equipment life with enhanced influent solids screening
LEAP Primary - Benefits Summary
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Secondary (Tertiary) Treatment
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© 2013 General Electric Company
LEAP MBR: Why Do We Want MBR?
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Footprint • Plant footprint 1/3 conventional activated
sludge process Quality & Reliability
• Process that consistently produces high quality effluent
Aesthetics
• Smaller tanks are easy to hide & cover
Construction Costs
• MBR requires less concrete and less volume/weight to support
• Modular design allows for easier expansion
Brescia, Italy - 1998
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© 2012 General Electric Company
What Forms A Membrane Bioreactor?
Biological Reactor
Membrane Basin
Ancillary Equipment
Membrane Basin
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© 2012 General Electric Company
What Is a Membrane?
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© 2012 General Electric Company
Fibre
Modular In Nature
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MBR Effluent Quality GE MBR effluent is used in
conjunction
with all major water reuse standards:
• WHO standards for unlimited irrigation
• International Maritime Organization bacteriological limits
• EU bathing Water Directive
• California Title 22 Code of Regulations
MBR: Used commonly for reuse water but also in areas which are sensitive receiving streams. Effluent quality could be as low as: • BOD <5, TSS <5, NH3-N <0.5, • Total Nitrogen <5, Total Phosphorus <0.15 • Turbidity <0.1NTU • High UVT 70% • Many plants no longer using UV systems for disinfection
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© 2013 General Electric Company
Expandable…
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• Simply add cassettes for minor flow expansions • Simply add trains for major flow expansion
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© 2013 General Electric Company
Community Presence…..
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• Ability to hide…a beautiful house….
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© 2013 General Electric Company
Community Presence…..
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• Look a little closer, this is a wastewater treatment plant…..5MLD WWTP
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© 2013 General Electric Company
Community Presence…..
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• A beautiful farm…20MLD WWTP
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Solids Treatment
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© 2013 General Electric Company
Advanced Digestion: Why Do We Want Advanced Digestion?
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• Treatment of waste streams generated in the process • Treatment of solids so they can be disposed of safely • Resource recovery – generation of biogas for energy
recovery
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Advanced Anaerobic Digestion The Anaerobic Digestion process converts organics to methane gas and valuable by-products
Rest of the World $ 1,405 million
(58%)
Gas/Fuel
Fertilizer
Electricity
Biosolids waste
Anaerobic Digestion
The most proven process for providing resource recovery from the by-products of wastewater treatment
Primary waste
Organic waste
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Schematic of our Advanced Anaerobic Digestion process
RV1 RV2 RV3 Digester
CHP
RV4 RV5 RV6
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Advanced Digestion vs Conventional…..
Rest of the World $ 1,405 million
(58%)
Parameter Conventional AD Advanced AD Digester Retention time
+ 30 days 12-20 days (-30-50%)
Digester Feed Solids %
3-5% 6-12% (2-3x)
Organic loading
< 2.0 Kg VS/m3.d > 4.0 Kg VS/m3.d (+2x)
Gas yield < 300 m3/tonne DS ~ 400 m3/tonne DS (+25-30%)
Smaller Reactors
Ability to incorporate other wastes
High quality biogas with a high yield
End product suitable for land disposal
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Technology Summary
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© 2012 General Electric Company
The End Result: A WWTP which…
Anaerobic Digestion LEAP Primary LEAP MBR
• Produces high quality effluent with future protection and water reuse capabilities.
• Treats its own waste streams and other waste streams as well
• Is compact and can fit into the community • Can be energy neutral or even energy positive
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Case Studies
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© 2013 General Electric Company
Dockside Green: Local Water Reuse & Aesthetics Challenge: Onsite wastewater treatment required for a development community with the ability to reuse water. Solution: GE’s MBR technology to treat wastewater for reuse and safe disposal and the ability to hide the facility. Flow: 189m3/d Commissioned: 2007
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© 2013 General Electric Company 40
Water & Process Technologies
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Harrison Hotsprings: Local WWTP Upgrade
Easy to retrofit
existing facilities
Flows:
Performance:
Phases Membranes Bioreactors
1 – 1375m3/d 2 trains 1 train @ 1600mg/l
2 – 3000m3/d 3 trains 2 trains @ 3150mg/l
Parameter Permit Requirements
Effluent Quality
BOD <10 mg/l <5 mg/l
TSS <10 mg/l <3 mg/l
Ammonia <1 mg/l 0.01 mg/l
Phosphorus <0.5 mg/l <0.3 mg/l
Faecal Coliforms <200/100ml <2/100ml
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© 2013 General Electric Company
Brightwater, WA: Achieving Capacity, Discharge Quality and Water Reuse Challenge: Expanding population required increased wastewater treatment Solution: GE’s MBR technology to treat wastewater for reuse and safe disposal
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© 2013 General Electric Company
• Water produced for irrigation , heating & cooling and industrial processing
• Average daily flow of 31 MGD (117,348 m3/day) • Reduces TSS and BOD discharge to Puget Sound by
1,000,000 lbs (454,000 kg) each year • Positioned to cost-effectively address future regulations
Brightwater Plant – Seattle, WA
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Avonmouth: Advanced Digestion Creating energy positive wastewater treatment plants
Primary Sludge ~60 tonnes / day
(21,900 tds / year)
WAS from Sequential Batch Reactors ~40 tonnes / day
(14,600 tds / year)
Original Primary Digesters
6 X 2,700m3 (4.3 Mgal)
New Primary Digesters
4 x 2,200m3 (2.3 Mgal)
Monsal 42 Acid Phase Pre
Digestion Installed 2007
Monsal Re:Sep & HPD
40,000 tonnes/year Installed 2012
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-
10,000
20,000
30,000
40,000
50,000
60,000
-
10,000
20,000
30,000
40,000
50,000
60,000
2007 2008 2009 2010 2011 2012 2013
Dig
este
r Vol
ume
(m3)
/ B
ioga
s Pr
oduc
tion
(m3/
day)
Sewage Food Gas
23,360 tds 16,400m3
1.9 MWe
Avonmouth: Energy Positive
28,800 tds 16,400m3
2.9 MWe
36,500 tds 25,200m3
4.0 MWe
36,500 tds 20,800m3
4.0 MWe
45,000 tds 25,200m3
5.75 MWe
2007 Pre 2007 2009 2012 2012
Added AD & 2 Digesters Removed
From Service
More Sludge & New Digesters
Digesters Removed
From Service
Food Waste & Digesters Returned
to Service
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Avonmouth: Post optimization
Avonmouth: Biosolids digestion investment
Avonmouth: Food Waste digestion investment
Avonmouth: Energy Positive WWTP
ü 5.75 MWe renewable energy (eq. of 10,000 households)
ü Energy Positive Wastewater Treatment
ü 1.8 MWe going to grid
ü 40,000 tpa diverted from landfill
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Other References for Viewing
Easy to retrofit
existing facilities
https://www.youtube.com/watch?v=rtvpIAWzv64 https://www.youtube.com/watch?v=c6KQNGTFQRQ https://www.youtube.com/watch?v=ZvV4hgoUP0g http://www.gewater.com/products/anaerobic-technology.html
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Thank You….Questions